2 * Copyright 2008,2011 Jacek Caban for CodeWeavers
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 #include "wine/port.h"
28 #include "wine/debug.h"
30 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
32 static const WCHAR booleanW[] = {'b','o','o','l','e','a','n',0};
33 static const WCHAR functionW[] = {'f','u','n','c','t','i','o','n',0};
34 static const WCHAR numberW[] = {'n','u','m','b','e','r',0};
35 static const WCHAR objectW[] = {'o','b','j','e','c','t',0};
36 static const WCHAR stringW[] = {'s','t','r','i','n','g',0};
37 static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
38 static const WCHAR unknownW[] = {'u','n','k','n','o','w','n',0};
40 struct _except_frame_t {
49 static HRESULT stack_push(exec_ctx_t *ctx, VARIANT *v)
51 if(!ctx->stack_size) {
52 ctx->stack = heap_alloc(16*sizeof(VARIANT));
56 }else if(ctx->stack_size == ctx->top) {
59 new_stack = heap_realloc(ctx->stack, ctx->stack_size*2*sizeof(VARIANT));
65 ctx->stack = new_stack;
69 ctx->stack[ctx->top++] = *v;
73 static HRESULT stack_push_bool(exec_ctx_t *ctx, BOOL b)
78 V_BOOL(&v) = b ? VARIANT_TRUE : VARIANT_FALSE;
79 return stack_push(ctx, &v);
82 static inline HRESULT stack_push_number(exec_ctx_t *ctx, double number)
86 num_set_val(&v, number);
87 return stack_push(ctx, &v);
90 static inline HRESULT stack_push_int(exec_ctx_t *ctx, INT n)
96 return stack_push(ctx, &v);
99 static inline HRESULT stack_push_string(exec_ctx_t *ctx, const WCHAR *str)
104 V_BSTR(&v) = SysAllocString(str);
105 return V_BSTR(&v) ? stack_push(ctx, &v) : E_OUTOFMEMORY;
108 static HRESULT stack_push_objid(exec_ctx_t *ctx, IDispatch *disp, DISPID id)
113 V_VT(&v) = VT_DISPATCH;
114 V_DISPATCH(&v) = disp;
115 hres = stack_push(ctx, &v);
121 return stack_push(ctx, &v);
124 static inline VARIANT *stack_top(exec_ctx_t *ctx)
127 return ctx->stack + ctx->top-1;
130 static inline VARIANT *stack_topn(exec_ctx_t *ctx, unsigned n)
132 assert(ctx->top > n);
133 return ctx->stack + ctx->top-1-n;
136 static inline VARIANT *stack_pop(exec_ctx_t *ctx)
139 return ctx->stack + --ctx->top;
142 static void stack_popn(exec_ctx_t *ctx, unsigned n)
145 VariantClear(stack_pop(ctx));
148 static HRESULT stack_pop_number(exec_ctx_t *ctx, VARIANT *r)
154 hres = to_number(ctx->parser->script, v, ctx->ei, r);
159 static HRESULT stack_pop_object(exec_ctx_t *ctx, IDispatch **r)
165 if(V_VT(v) == VT_DISPATCH) {
167 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_OBJECT_REQUIRED, NULL);
172 hres = to_object(ctx->parser->script, v, r);
177 static inline HRESULT stack_pop_int(exec_ctx_t *ctx, INT *r)
179 return to_int32(ctx->parser->script, stack_pop(ctx), ctx->ei, r);
182 static inline HRESULT stack_pop_uint(exec_ctx_t *ctx, DWORD *r)
184 return to_uint32(ctx->parser->script, stack_pop(ctx), ctx->ei, r);
187 static inline IDispatch *stack_pop_objid(exec_ctx_t *ctx, DISPID *id)
189 assert(V_VT(stack_top(ctx)) == VT_INT && V_VT(stack_topn(ctx, 1)) == VT_DISPATCH);
191 *id = V_INT(stack_pop(ctx));
192 return V_DISPATCH(stack_pop(ctx));
195 static inline IDispatch *stack_topn_objid(exec_ctx_t *ctx, unsigned n, DISPID *id)
197 assert(V_VT(stack_topn(ctx, n)) == VT_INT && V_VT(stack_topn(ctx, n+1)) == VT_DISPATCH);
199 *id = V_INT(stack_topn(ctx, n));
200 return V_DISPATCH(stack_topn(ctx, n+1));
203 static void exprval_release(exprval_t *val)
206 case EXPRVAL_VARIANT:
207 if(V_VT(&val->u.var) != VT_EMPTY)
208 VariantClear(&val->u.var);
211 if(val->u.idref.disp)
212 IDispatch_Release(val->u.idref.disp);
214 case EXPRVAL_INVALID:
219 /* ECMA-262 3rd Edition 8.7.1 */
220 static HRESULT exprval_value(script_ctx_t *ctx, exprval_t *val, jsexcept_t *ei, VARIANT *ret)
222 V_VT(ret) = VT_EMPTY;
225 case EXPRVAL_VARIANT:
226 return VariantCopy(ret, &val->u.var);
228 if(!val->u.idref.disp) {
229 FIXME("throw ReferenceError\n");
233 return disp_propget(ctx, val->u.idref.disp, val->u.idref.id, ret, ei, NULL/*FIXME*/);
234 case EXPRVAL_INVALID:
238 ERR("type %d\n", val->type);
242 static HRESULT exprval_to_value(script_ctx_t *ctx, exprval_t *val, jsexcept_t *ei, VARIANT *ret)
244 if(val->type == EXPRVAL_VARIANT) {
246 V_VT(&val->u.var) = VT_EMPTY;
250 return exprval_value(ctx, val, ei, ret);
253 static void exprval_set_idref(exprval_t *val, IDispatch *disp, DISPID id)
255 val->type = EXPRVAL_IDREF;
256 val->u.idref.disp = disp;
257 val->u.idref.id = id;
260 IDispatch_AddRef(disp);
263 HRESULT scope_push(scope_chain_t *scope, jsdisp_t *obj, scope_chain_t **ret)
265 scope_chain_t *new_scope;
267 new_scope = heap_alloc(sizeof(scope_chain_t));
269 return E_OUTOFMEMORY;
274 new_scope->obj = obj;
278 new_scope->next = scope;
280 new_scope->next = NULL;
287 static void scope_pop(scope_chain_t **scope)
296 void scope_release(scope_chain_t *scope)
302 scope_release(scope->next);
304 jsdisp_release(scope->obj);
308 HRESULT create_exec_ctx(script_ctx_t *script_ctx, IDispatch *this_obj, jsdisp_t *var_disp,
309 scope_chain_t *scope, BOOL is_global, exec_ctx_t **ret)
313 ctx = heap_alloc_zero(sizeof(exec_ctx_t));
315 return E_OUTOFMEMORY;
318 ctx->is_global = is_global;
321 ctx->this_obj = this_obj;
322 else if(script_ctx->host_global)
323 ctx->this_obj = script_ctx->host_global;
325 ctx->this_obj = to_disp(script_ctx->global);
326 IDispatch_AddRef(ctx->this_obj);
328 jsdisp_addref(var_disp);
329 ctx->var_disp = var_disp;
333 ctx->scope_chain = scope;
340 void exec_release(exec_ctx_t *ctx)
346 scope_release(ctx->scope_chain);
348 jsdisp_release(ctx->var_disp);
350 IDispatch_Release(ctx->this_obj);
351 heap_free(ctx->stack);
355 static HRESULT disp_get_id(script_ctx_t *ctx, IDispatch *disp, BSTR name, DWORD flags, DISPID *id)
360 hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
362 TRACE("unsing IDispatch\n");
365 return IDispatch_GetIDsOfNames(disp, &IID_NULL, &name, 1, 0, id);
369 hres = IDispatchEx_GetDispID(dispex, name, make_grfdex(ctx, flags|fdexNameCaseSensitive), id);
370 IDispatchEx_Release(dispex);
374 static inline BOOL is_null(const VARIANT *v)
376 return V_VT(v) == VT_NULL || (V_VT(v) == VT_DISPATCH && !V_DISPATCH(v));
379 static HRESULT disp_cmp(IDispatch *disp1, IDispatch *disp2, BOOL *ret)
381 IObjectIdentity *identity;
382 IUnknown *unk1, *unk2;
390 if(!disp1 || !disp2) {
395 hres = IDispatch_QueryInterface(disp1, &IID_IUnknown, (void**)&unk1);
399 hres = IDispatch_QueryInterface(disp2, &IID_IUnknown, (void**)&unk2);
401 IUnknown_Release(unk1);
408 hres = IUnknown_QueryInterface(unk1, &IID_IObjectIdentity, (void**)&identity);
409 if(SUCCEEDED(hres)) {
410 hres = IObjectIdentity_IsEqualObject(identity, unk2);
411 IObjectIdentity_Release(identity);
418 IUnknown_Release(unk1);
419 IUnknown_Release(unk2);
423 /* ECMA-262 3rd Edition 11.9.6 */
424 static HRESULT equal2_values(VARIANT *lval, VARIANT *rval, BOOL *ret)
428 if(V_VT(lval) != V_VT(rval)) {
429 if(is_num_vt(V_VT(lval)) && is_num_vt(V_VT(rval)))
430 *ret = num_val(lval) == num_val(rval);
431 else if(is_null(lval))
432 *ret = is_null(rval);
444 *ret = V_I4(lval) == V_I4(rval);
447 *ret = V_R8(lval) == V_R8(rval);
451 *ret = SysStringLen(V_BSTR(rval))?FALSE:TRUE;
452 else if(!V_BSTR(rval))
453 *ret = SysStringLen(V_BSTR(lval))?FALSE:TRUE;
455 *ret = !strcmpW(V_BSTR(lval), V_BSTR(rval));
458 return disp_cmp(V_DISPATCH(lval), V_DISPATCH(rval), ret);
460 *ret = !V_BOOL(lval) == !V_BOOL(rval);
463 FIXME("unimplemented vt %d\n", V_VT(lval));
470 static BOOL lookup_global_members(script_ctx_t *ctx, BSTR identifier, exprval_t *ret)
476 for(item = ctx->named_items; item; item = item->next) {
477 if(item->flags & SCRIPTITEM_GLOBALMEMBERS) {
478 hres = disp_get_id(ctx, item->disp, identifier, 0, &id);
479 if(SUCCEEDED(hres)) {
481 exprval_set_idref(ret, item->disp, id);
490 /* ECMA-262 3rd Edition 10.1.4 */
491 static HRESULT identifier_eval(script_ctx_t *ctx, BSTR identifier, DWORD flags, jsexcept_t *ei, exprval_t *ret)
493 scope_chain_t *scope;
498 TRACE("%s\n", debugstr_w(identifier));
500 for(scope = ctx->exec_ctx->scope_chain; scope; scope = scope->next) {
501 hres = jsdisp_get_id(scope->obj, identifier, 0, &id);
502 if(SUCCEEDED(hres)) {
503 exprval_set_idref(ret, to_disp(scope->obj), id);
508 hres = jsdisp_get_id(ctx->global, identifier, 0, &id);
509 if(SUCCEEDED(hres)) {
510 exprval_set_idref(ret, to_disp(ctx->global), id);
514 for(item = ctx->named_items; item; item = item->next) {
515 if((item->flags & SCRIPTITEM_ISVISIBLE) && !strcmpW(item->name, identifier)) {
522 hres = IActiveScriptSite_GetItemInfo(ctx->site, identifier,
523 SCRIPTINFO_IUNKNOWN, &unk, NULL);
525 WARN("GetItemInfo failed: %08x\n", hres);
529 hres = IUnknown_QueryInterface(unk, &IID_IDispatch, (void**)&item->disp);
530 IUnknown_Release(unk);
532 WARN("object does not implement IDispatch\n");
537 ret->type = EXPRVAL_VARIANT;
538 V_VT(&ret->u.var) = VT_DISPATCH;
539 V_DISPATCH(&ret->u.var) = item->disp;
540 IDispatch_AddRef(item->disp);
545 if(lookup_global_members(ctx, identifier, ret))
548 if(flags & fdexNameEnsure) {
549 hres = jsdisp_get_id(ctx->global, identifier, fdexNameEnsure, &id);
553 exprval_set_idref(ret, to_disp(ctx->global), id);
557 ret->type = EXPRVAL_INVALID;
561 /* ECMA-262 3rd Edition 12.2 */
562 static HRESULT interp_var_set(exec_ctx_t *ctx)
564 const BSTR name = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
568 TRACE("%s\n", debugstr_w(name));
571 hres = jsdisp_propput_name(ctx->var_disp, name, v, ctx->ei, NULL/*FIXME*/);
576 /* ECMA-262 3rd Edition 12.6.4 */
577 static HRESULT interp_forin(exec_ctx_t *ctx)
579 const HRESULT arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
580 IDispatch *var_obj, *obj = NULL;
589 val = stack_pop(ctx);
591 assert(V_VT(stack_top(ctx)) == VT_I4);
592 id = V_I4(stack_top(ctx));
594 var_obj = stack_topn_objid(ctx, 1, &var_id);
596 FIXME("invalid ref\n");
601 if(V_VT(stack_topn(ctx, 3)) == VT_DISPATCH)
602 obj = V_DISPATCH(stack_topn(ctx, 3));
605 hres = IDispatch_QueryInterface(obj, &IID_IDispatchEx, (void**)&dispex);
606 if(SUCCEEDED(hres)) {
607 hres = IDispatchEx_GetNextDispID(dispex, fdexEnumDefault, id, &id);
609 hres = IDispatchEx_GetMemberName(dispex, id, &name);
610 IDispatchEx_Release(dispex);
616 TRACE("No IDispatchEx\n");
625 V_I4(stack_top(ctx)) = id;
629 hres = disp_propput(ctx->parser->script, var_obj, var_id, &v, ctx->ei, NULL/*FIXME*/);
638 return stack_push(ctx, val);
643 /* ECMA-262 3rd Edition 12.10 */
644 static HRESULT interp_push_scope(exec_ctx_t *ctx)
654 hres = to_object(ctx->parser->script, v, &disp);
659 obj = to_jsdisp(disp);
661 IDispatch_Release(disp);
662 FIXME("disp is not jsdisp\n");
666 hres = scope_push(ctx->scope_chain, obj, &ctx->scope_chain);
671 /* ECMA-262 3rd Edition 12.10 */
672 static HRESULT interp_pop_scope(exec_ctx_t *ctx)
676 scope_pop(&ctx->scope_chain);
680 /* ECMA-262 3rd Edition 12.12 */
681 static HRESULT interp_label(exec_ctx_t *ctx)
687 /* ECMA-262 3rd Edition 12.13 */
688 static HRESULT interp_case(exec_ctx_t *ctx)
690 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
698 hres = equal2_values(stack_top(ctx), v, &b);
712 /* ECMA-262 3rd Edition 12.13 */
713 static HRESULT interp_throw(exec_ctx_t *ctx)
717 ctx->ei->var = *stack_pop(ctx);
718 return DISP_E_EXCEPTION;
721 static HRESULT interp_throw_ref(exec_ctx_t *ctx)
723 const HRESULT arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
725 TRACE("%08x\n", arg);
727 return throw_reference_error(ctx->parser->script, ctx->ei, arg, NULL);
730 static HRESULT interp_throw_type(exec_ctx_t *ctx)
732 const HRESULT hres = ctx->parser->code->instrs[ctx->ip].arg1.uint;
733 const WCHAR *str = ctx->parser->code->instrs[ctx->ip].arg2.str;
735 TRACE("%08x %s\n", hres, debugstr_w(str));
737 return throw_type_error(ctx->parser->script, ctx->ei, hres, str);
740 /* ECMA-262 3rd Edition 12.14 */
741 static HRESULT interp_push_except(exec_ctx_t *ctx)
743 const unsigned arg1 = ctx->parser->code->instrs[ctx->ip].arg1.uint;
744 const BSTR arg2 = ctx->parser->code->instrs[ctx->ip].arg2.bstr;
745 except_frame_t *except;
750 stack_top = ctx->top;
755 hres = stack_push_bool(ctx, TRUE);
758 hres = stack_push_bool(ctx, TRUE);
763 except = heap_alloc(sizeof(*except));
765 return E_OUTOFMEMORY;
767 except->stack_top = stack_top;
768 except->scope = ctx->scope_chain;
769 except->catch_off = arg1;
770 except->ident = arg2;
771 except->next = ctx->except_frame;
772 ctx->except_frame = except;
776 /* ECMA-262 3rd Edition 12.14 */
777 static HRESULT interp_pop_except(exec_ctx_t *ctx)
779 except_frame_t *except;
783 except = ctx->except_frame;
784 assert(except != NULL);
786 ctx->except_frame = except->next;
791 /* ECMA-262 3rd Edition 12.14 */
792 static HRESULT interp_end_finally(exec_ctx_t *ctx)
800 assert(V_VT(stack_top(ctx)) == VT_BOOL);
801 if(!V_BOOL(stack_top(ctx))) {
802 TRACE("passing exception\n");
806 ctx->ei->var = *stack_pop(ctx);
807 return DISP_E_EXCEPTION;
811 return stack_push(ctx, v);
814 /* ECMA-262 3rd Edition 13 */
815 static HRESULT interp_func(exec_ctx_t *ctx)
817 function_expression_t *expr = ctx->parser->code->instrs[ctx->ip].arg1.func;
824 hres = create_source_function(ctx->parser, expr->parameter_list, expr->source_elements, ctx->scope_chain,
825 expr->src_str, expr->src_len, &dispex);
829 var_set_jsdisp(&v, dispex);
830 return stack_push(ctx, &v);
833 /* ECMA-262 3rd Edition 11.2.1 */
834 static HRESULT interp_array(exec_ctx_t *ctx)
844 namev = stack_pop(ctx);
846 hres = stack_pop_object(ctx, &obj);
852 hres = to_string(ctx->parser->script, namev, ctx->ei, &name);
855 IDispatch_Release(obj);
859 hres = disp_get_id(ctx->parser->script, obj, name, 0, &id);
861 if(SUCCEEDED(hres)) {
862 hres = disp_propget(ctx->parser->script, obj, id, &v, ctx->ei, NULL/*FIXME*/);
863 }else if(hres == DISP_E_UNKNOWNNAME) {
867 IDispatch_Release(obj);
871 return stack_push(ctx, &v);
874 /* ECMA-262 3rd Edition 11.2.1 */
875 static HRESULT interp_member(exec_ctx_t *ctx)
877 const BSTR arg = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
885 hres = stack_pop_object(ctx, &obj);
889 hres = disp_get_id(ctx->parser->script, obj, arg, 0, &id);
890 if(SUCCEEDED(hres)) {
892 hres = disp_propget(ctx->parser->script, obj, id, &v, ctx->ei, NULL/*FIXME*/);
893 }else if(hres == DISP_E_UNKNOWNNAME) {
897 IDispatch_Release(obj);
901 return stack_push(ctx, &v);
904 /* ECMA-262 3rd Edition 11.2.1 */
905 static HRESULT interp_memberid(exec_ctx_t *ctx)
907 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
908 VARIANT *objv, *namev;
916 namev = stack_pop(ctx);
917 objv = stack_pop(ctx);
919 hres = to_object(ctx->parser->script, objv, &obj);
921 if(SUCCEEDED(hres)) {
922 hres = to_string(ctx->parser->script, namev, ctx->ei, &name);
924 IDispatch_Release(obj);
930 hres = disp_get_id(ctx->parser->script, obj, name, arg, &id);
933 IDispatch_Release(obj);
934 if(hres == DISP_E_UNKNOWNNAME && !(arg & fdexNameEnsure)) {
936 id = JS_E_INVALID_PROPERTY;
942 return stack_push_objid(ctx, obj, id);
945 /* ECMA-262 3rd Edition 11.2.1 */
946 static HRESULT interp_refval(exec_ctx_t *ctx)
955 disp = stack_topn_objid(ctx, 0, &id);
957 return throw_reference_error(ctx->parser->script, ctx->ei, JS_E_ILLEGAL_ASSIGN, NULL);
959 hres = disp_propget(ctx->parser->script, disp, id, &v, ctx->ei, NULL/*FIXME*/);
963 return stack_push(ctx, &v);
966 static void jsstack_to_dp(exec_ctx_t *ctx, unsigned arg_cnt, DISPPARAMS *dp)
972 dp->rgdispidNamedArgs = NULL;
975 assert(ctx->top >= arg_cnt);
977 for(i=1; i*2 <= arg_cnt; i++) {
978 tmp = ctx->stack[ctx->top-i];
979 ctx->stack[ctx->top-i] = ctx->stack[ctx->top-arg_cnt+i-1];
980 ctx->stack[ctx->top-arg_cnt+i-1] = tmp;
983 dp->rgvarg = ctx->stack + ctx->top-arg_cnt;
986 /* ECMA-262 3rd Edition 11.2.2 */
987 static HRESULT interp_new(exec_ctx_t *ctx)
989 const LONG arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
996 constr = stack_topn(ctx, arg);
998 /* NOTE: Should use to_object here */
1000 if(V_VT(constr) == VT_NULL)
1001 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
1002 else if(V_VT(constr) != VT_DISPATCH)
1003 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_INVALID_ACTION, NULL);
1004 else if(!V_DISPATCH(constr))
1005 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_INVALID_PROPERTY, NULL);
1007 jsstack_to_dp(ctx, arg, &dp);
1008 hres = disp_call(ctx->parser->script, V_DISPATCH(constr), DISPID_VALUE,
1009 DISPATCH_CONSTRUCT, &dp, &v, ctx->ei, NULL/*FIXME*/);
1013 stack_popn(ctx, arg+1);
1014 return stack_push(ctx, &v);
1017 /* ECMA-262 3rd Edition 11.2.3 */
1018 static HRESULT interp_call(exec_ctx_t *ctx)
1020 const unsigned argn = ctx->parser->code->instrs[ctx->ip].arg1.uint;
1021 const int do_ret = ctx->parser->code->instrs[ctx->ip].arg2.lng;
1026 TRACE("%d %d\n", argn, do_ret);
1028 objv = stack_topn(ctx, argn);
1029 if(V_VT(objv) != VT_DISPATCH)
1030 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_INVALID_PROPERTY, NULL);
1032 jsstack_to_dp(ctx, argn, &dp);
1033 hres = disp_call(ctx->parser->script, V_DISPATCH(objv), DISPID_VALUE, DISPATCH_METHOD, &dp,
1034 do_ret ? &v : NULL, ctx->ei, NULL/*FIXME*/);
1038 stack_popn(ctx, argn+1);
1039 return do_ret ? stack_push(ctx, &v) : S_OK;
1043 /* ECMA-262 3rd Edition 11.2.3 */
1044 static HRESULT interp_call_member(exec_ctx_t *ctx)
1046 const unsigned argn = ctx->parser->code->instrs[ctx->ip].arg1.uint;
1047 const int do_ret = ctx->parser->code->instrs[ctx->ip].arg2.lng;
1054 TRACE("%d %d\n", argn, do_ret);
1056 obj = stack_topn_objid(ctx, argn, &id);
1058 return throw_type_error(ctx->parser->script, ctx->ei, id, NULL);
1060 jsstack_to_dp(ctx, argn, &dp);
1061 hres = disp_call(ctx->parser->script, obj, id, DISPATCH_METHOD, &dp, do_ret ? &v : NULL, ctx->ei, NULL/*FIXME*/);
1065 stack_popn(ctx, argn+2);
1066 return do_ret ? stack_push(ctx, &v) : S_OK;
1070 /* ECMA-262 3rd Edition 11.1.1 */
1071 static HRESULT interp_this(exec_ctx_t *ctx)
1077 V_VT(&v) = VT_DISPATCH;
1078 V_DISPATCH(&v) = ctx->this_obj;
1079 IDispatch_AddRef(ctx->this_obj);
1080 return stack_push(ctx, &v);
1083 /* ECMA-262 3rd Edition 10.1.4 */
1084 static HRESULT interp_ident(exec_ctx_t *ctx)
1086 const BSTR arg = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
1091 TRACE("%s\n", debugstr_w(arg));
1093 hres = identifier_eval(ctx->parser->script, arg, 0, ctx->ei, &exprval);
1097 if(exprval.type == EXPRVAL_INVALID)
1098 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_UNDEFINED_VARIABLE, arg);
1100 hres = exprval_to_value(ctx->parser->script, &exprval, ctx->ei, &v);
1101 exprval_release(&exprval);
1105 return stack_push(ctx, &v);
1108 /* ECMA-262 3rd Edition 10.1.4 */
1109 static HRESULT interp_identid(exec_ctx_t *ctx)
1111 const BSTR arg = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
1112 const unsigned flags = ctx->parser->code->instrs[ctx->ip].arg2.uint;
1116 TRACE("%s %x\n", debugstr_w(arg), flags);
1118 hres = identifier_eval(ctx->parser->script, arg, flags, ctx->ei, &exprval);
1122 if(exprval.type != EXPRVAL_IDREF) {
1123 WARN("invalid ref\n");
1124 exprval_release(&exprval);
1125 return stack_push_objid(ctx, NULL, JS_E_OBJECT_EXPECTED);
1128 return stack_push_objid(ctx, exprval.u.idref.disp, exprval.u.idref.id);
1131 /* ECMA-262 3rd Edition 7.8.1 */
1132 static HRESULT interp_null(exec_ctx_t *ctx)
1139 return stack_push(ctx, &v);
1142 /* ECMA-262 3rd Edition 7.8.2 */
1143 static HRESULT interp_bool(exec_ctx_t *ctx)
1145 const LONG arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
1147 TRACE("%s\n", arg ? "true" : "false");
1149 return stack_push_bool(ctx, arg);
1152 /* ECMA-262 3rd Edition 7.8.3 */
1153 static HRESULT interp_int(exec_ctx_t *ctx)
1155 const LONG arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
1162 return stack_push(ctx, &v);
1165 /* ECMA-262 3rd Edition 7.8.3 */
1166 static HRESULT interp_double(exec_ctx_t *ctx)
1168 const double arg = *ctx->parser->code->instrs[ctx->ip].arg1.dbl;
1171 TRACE("%lf\n", arg);
1175 return stack_push(ctx, &v);
1178 /* ECMA-262 3rd Edition 7.8.4 */
1179 static HRESULT interp_str(exec_ctx_t *ctx)
1181 const WCHAR *str = ctx->parser->code->instrs[ctx->ip].arg1.str;
1184 TRACE("%s\n", debugstr_w(str));
1187 V_BSTR(&v) = SysAllocString(str);
1189 return E_OUTOFMEMORY;
1191 return stack_push(ctx, &v);
1194 /* ECMA-262 3rd Edition 7.8 */
1195 static HRESULT interp_regexp(exec_ctx_t *ctx)
1197 const WCHAR *source = ctx->parser->code->instrs[ctx->ip].arg1.str;
1198 const LONG flags = ctx->parser->code->instrs[ctx->ip].arg2.lng;
1203 TRACE("%s %x\n", debugstr_w(source), flags);
1205 hres = create_regexp(ctx->parser->script, source, strlenW(source), flags, ®exp);
1209 var_set_jsdisp(&v, regexp);
1210 return stack_push(ctx, &v);
1213 /* ECMA-262 3rd Edition 11.1.4 */
1214 static HRESULT interp_carray(exec_ctx_t *ctx)
1216 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
1224 hres = create_array(ctx->parser->script, arg, &array);
1231 hres = jsdisp_propput_idx(array, i, v, ctx->ei, NULL/*FIXME*/);
1234 jsdisp_release(array);
1239 var_set_jsdisp(&r, array);
1240 return stack_push(ctx, &r);
1243 /* ECMA-262 3rd Edition 11.1.5 */
1244 static HRESULT interp_new_obj(exec_ctx_t *ctx)
1252 hres = create_object(ctx->parser->script, NULL, &obj);
1256 var_set_jsdisp(&v, obj);
1257 return stack_push(ctx, &v);
1260 /* ECMA-262 3rd Edition 11.1.5 */
1261 static HRESULT interp_obj_prop(exec_ctx_t *ctx)
1263 const BSTR name = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
1268 TRACE("%s\n", debugstr_w(name));
1272 assert(V_VT(stack_top(ctx)) == VT_DISPATCH);
1273 obj = as_jsdisp(V_DISPATCH(stack_top(ctx)));
1275 hres = jsdisp_propput_name(obj, name, v, ctx->ei, NULL/*FIXME*/);
1280 /* ECMA-262 3rd Edition 11.11 */
1281 static HRESULT interp_cnd_nz(exec_ctx_t *ctx)
1283 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
1289 hres = to_boolean(stack_top(ctx), &b);
1302 /* ECMA-262 3rd Edition 11.11 */
1303 static HRESULT interp_cnd_z(exec_ctx_t *ctx)
1305 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
1311 hres = to_boolean(stack_top(ctx), &b);
1324 /* ECMA-262 3rd Edition 11.10 */
1325 static HRESULT interp_or(exec_ctx_t *ctx)
1332 hres = stack_pop_int(ctx, &r);
1336 hres = stack_pop_int(ctx, &l);
1340 return stack_push_int(ctx, l|r);
1343 /* ECMA-262 3rd Edition 11.10 */
1344 static HRESULT interp_xor(exec_ctx_t *ctx)
1351 hres = stack_pop_int(ctx, &r);
1355 hres = stack_pop_int(ctx, &l);
1359 return stack_push_int(ctx, l^r);
1362 /* ECMA-262 3rd Edition 11.10 */
1363 static HRESULT interp_and(exec_ctx_t *ctx)
1370 hres = stack_pop_int(ctx, &r);
1374 hres = stack_pop_int(ctx, &l);
1378 return stack_push_int(ctx, l&r);
1381 /* ECMA-262 3rd Edition 11.8.6 */
1382 static HRESULT interp_instanceof(exec_ctx_t *ctx)
1384 jsdisp_t *obj, *iter, *tmp = NULL;
1389 static const WCHAR prototypeW[] = {'p','r','o','t','o','t', 'y', 'p','e',0};
1392 if(V_VT(v) != VT_DISPATCH || !V_DISPATCH(v)) {
1394 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_FUNCTION_EXPECTED, NULL);
1397 obj = iface_to_jsdisp((IUnknown*)V_DISPATCH(v));
1398 IDispatch_Release(V_DISPATCH(v));
1400 FIXME("non-jsdisp objects not supported\n");
1404 if(is_class(obj, JSCLASS_FUNCTION)) {
1405 hres = jsdisp_propget_name(obj, prototypeW, &prot, ctx->ei, NULL/*FIXME*/);
1407 hres = throw_type_error(ctx->parser->script, ctx->ei, JS_E_FUNCTION_EXPECTED, NULL);
1409 jsdisp_release(obj);
1415 if(V_VT(&prot) == VT_DISPATCH) {
1416 if(V_VT(v) == VT_DISPATCH)
1417 tmp = iface_to_jsdisp((IUnknown*)V_DISPATCH(v));
1418 for(iter = tmp; !ret && iter; iter = iter->prototype) {
1419 hres = disp_cmp(V_DISPATCH(&prot), to_disp(iter), &ret);
1425 jsdisp_release(tmp);
1427 FIXME("prototype is not an object\n");
1431 VariantClear(&prot);
1436 return stack_push_bool(ctx, ret);
1439 /* ECMA-262 3rd Edition 11.8.7 */
1440 static HRESULT interp_in(exec_ctx_t *ctx)
1450 obj = stack_pop(ctx);
1453 if(V_VT(obj) != VT_DISPATCH || !V_DISPATCH(obj)) {
1456 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
1459 hres = to_string(ctx->parser->script, v, ctx->ei, &str);
1462 IDispatch_Release(V_DISPATCH(obj));
1466 hres = disp_get_id(ctx->parser->script, V_DISPATCH(obj), str, 0, &id);
1467 IDispatch_Release(V_DISPATCH(obj));
1471 else if(hres == DISP_E_UNKNOWNNAME)
1476 return stack_push_bool(ctx, ret);
1479 /* ECMA-262 3rd Edition 11.6.1 */
1480 static HRESULT add_eval(script_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, VARIANT *retv)
1485 hres = to_primitive(ctx, lval, ei, &l, NO_HINT);
1489 hres = to_primitive(ctx, rval, ei, &r, NO_HINT);
1495 if(V_VT(&l) == VT_BSTR || V_VT(&r) == VT_BSTR) {
1496 BSTR lstr = NULL, rstr = NULL;
1498 if(V_VT(&l) == VT_BSTR)
1501 hres = to_string(ctx, &l, ei, &lstr);
1503 if(SUCCEEDED(hres)) {
1504 if(V_VT(&r) == VT_BSTR)
1507 hres = to_string(ctx, &r, ei, &rstr);
1510 if(SUCCEEDED(hres)) {
1513 len1 = SysStringLen(lstr);
1514 len2 = SysStringLen(rstr);
1516 V_VT(retv) = VT_BSTR;
1517 V_BSTR(retv) = SysAllocStringLen(NULL, len1+len2);
1518 memcpy(V_BSTR(retv), lstr, len1*sizeof(WCHAR));
1519 memcpy(V_BSTR(retv)+len1, rstr, (len2+1)*sizeof(WCHAR));
1522 if(V_VT(&l) != VT_BSTR)
1523 SysFreeString(lstr);
1524 if(V_VT(&r) != VT_BSTR)
1525 SysFreeString(rstr);
1529 hres = to_number(ctx, &l, ei, &nl);
1530 if(SUCCEEDED(hres)) {
1531 hres = to_number(ctx, &r, ei, &nr);
1533 num_set_val(retv, num_val(&nl) + num_val(&nr));
1542 /* ECMA-262 3rd Edition 11.6.1 */
1543 static HRESULT interp_add(exec_ctx_t *ctx)
1545 VARIANT *l, *r, ret;
1551 TRACE("%s + %s\n", debugstr_variant(l), debugstr_variant(r));
1553 hres = add_eval(ctx->parser->script, l, r, ctx->ei, &ret);
1559 return stack_push(ctx, &ret);
1562 /* ECMA-262 3rd Edition 11.6.2 */
1563 static HRESULT interp_sub(exec_ctx_t *ctx)
1570 hres = stack_pop_number(ctx, &r);
1574 hres = stack_pop_number(ctx, &l);
1578 return stack_push_number(ctx, num_val(&l)-num_val(&r));
1581 /* ECMA-262 3rd Edition 11.5.1 */
1582 static HRESULT interp_mul(exec_ctx_t *ctx)
1589 hres = stack_pop_number(ctx, &r);
1593 hres = stack_pop_number(ctx, &l);
1597 return stack_push_number(ctx, num_val(&l)*num_val(&r));
1600 /* ECMA-262 3rd Edition 11.5.2 */
1601 static HRESULT interp_div(exec_ctx_t *ctx)
1608 hres = stack_pop_number(ctx, &r);
1612 hres = stack_pop_number(ctx, &l);
1616 return stack_push_number(ctx, num_val(&l)/num_val(&r));
1619 /* ECMA-262 3rd Edition 11.5.3 */
1620 static HRESULT interp_mod(exec_ctx_t *ctx)
1627 hres = stack_pop_number(ctx, &r);
1631 hres = stack_pop_number(ctx, &l);
1635 return stack_push_number(ctx, fmod(num_val(&l), num_val(&r)));
1638 /* ECMA-262 3rd Edition 11.4.2 */
1639 static HRESULT interp_delete(exec_ctx_t *ctx)
1641 VARIANT *obj_var, *name_var;
1642 IDispatchEx *dispex;
1650 name_var = stack_pop(ctx);
1651 obj_var = stack_pop(ctx);
1653 hres = to_object(ctx->parser->script, obj_var, &obj);
1654 VariantClear(obj_var);
1656 VariantClear(name_var);
1660 hres = to_string(ctx->parser->script, name_var, ctx->ei, &name);
1661 VariantClear(name_var);
1663 IDispatch_Release(obj);
1667 hres = IDispatch_QueryInterface(obj, &IID_IDispatchEx, (void**)&dispex);
1668 if(SUCCEEDED(hres)) {
1669 hres = IDispatchEx_DeleteMemberByName(dispex, name, make_grfdex(ctx->parser->script, fdexNameCaseSensitive));
1671 IDispatchEx_Release(dispex);
1677 IDispatch_Release(obj);
1678 SysFreeString(name);
1682 return stack_push_bool(ctx, ret);
1685 /* ECMA-262 3rd Edition 11.4.2 */
1686 static HRESULT interp_delete_ident(exec_ctx_t *ctx)
1688 const BSTR arg = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
1689 IDispatchEx *dispex;
1694 TRACE("%s\n", debugstr_w(arg));
1696 hres = identifier_eval(ctx->parser->script, arg, 0, ctx->ei, &exprval);
1700 if(exprval.type != EXPRVAL_IDREF) {
1701 FIXME("Unsupported exprval\n");
1702 exprval_release(&exprval);
1706 hres = IDispatch_QueryInterface(exprval.u.idref.disp, &IID_IDispatchEx, (void**)&dispex);
1707 IDispatch_Release(exprval.u.idref.disp);
1708 if(SUCCEEDED(hres)) {
1709 hres = IDispatchEx_DeleteMemberByDispID(dispex, exprval.u.idref.id);
1710 IDispatchEx_Release(dispex);
1717 return stack_push_bool(ctx, ret);
1720 /* ECMA-262 3rd Edition 11.4.2 */
1721 static HRESULT interp_void(exec_ctx_t *ctx)
1729 V_VT(&v) = VT_EMPTY;
1730 return stack_push(ctx, &v);
1733 /* ECMA-262 3rd Edition 11.4.3 */
1734 static HRESULT typeof_string(VARIANT *v, const WCHAR **ret)
1756 if(V_DISPATCH(v) && (dispex = iface_to_jsdisp((IUnknown*)V_DISPATCH(v)))) {
1757 *ret = is_class(dispex, JSCLASS_FUNCTION) ? functionW : objectW;
1758 jsdisp_release(dispex);
1765 FIXME("unhandled vt %d\n", V_VT(v));
1772 /* ECMA-262 3rd Edition 11.4.3 */
1773 static HRESULT interp_typeofid(exec_ctx_t *ctx)
1781 static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};
1785 obj = stack_pop_objid(ctx, &id);
1787 return stack_push_string(ctx, undefinedW);
1789 V_VT(&v) = VT_EMPTY;
1790 hres = disp_propget(ctx->parser->script, obj, id, &v, ctx->ei, NULL/*FIXME*/);
1791 IDispatch_Release(obj);
1793 return stack_push_string(ctx, unknownW);
1795 hres = typeof_string(&v, &ret);
1800 return stack_push_string(ctx, ret);
1803 /* ECMA-262 3rd Edition 11.4.3 */
1804 static HRESULT interp_typeofident(exec_ctx_t *ctx)
1806 const BSTR arg = ctx->parser->code->instrs[ctx->ip].arg1.bstr;
1812 TRACE("%s\n", debugstr_w(arg));
1814 hres = identifier_eval(ctx->parser->script, arg, 0, ctx->ei, &exprval);
1818 if(exprval.type == EXPRVAL_INVALID) {
1819 hres = stack_push_string(ctx, undefinedW);
1820 exprval_release(&exprval);
1824 hres = exprval_to_value(ctx->parser->script, &exprval, ctx->ei, &v);
1825 exprval_release(&exprval);
1829 hres = typeof_string(&v, &ret);
1834 return stack_push_string(ctx, ret);
1837 /* ECMA-262 3rd Edition 11.4.3 */
1838 static HRESULT interp_typeof(exec_ctx_t *ctx)
1847 hres = typeof_string(v, &ret);
1852 return stack_push_string(ctx, ret);
1855 /* ECMA-262 3rd Edition 11.4.7 */
1856 static HRESULT interp_minus(exec_ctx_t *ctx)
1863 hres = stack_pop_number(ctx, &n);
1867 return stack_push_number(ctx, -num_val(&n));
1870 /* ECMA-262 3rd Edition 11.4.6 */
1871 static HRESULT interp_tonum(exec_ctx_t *ctx)
1879 hres = to_number(ctx->parser->script, v, ctx->ei, &num);
1884 return stack_push(ctx, &num);
1887 /* ECMA-262 3rd Edition 11.3.1 */
1888 static HRESULT interp_postinc(exec_ctx_t *ctx)
1890 const int arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
1898 obj = stack_pop_objid(ctx, &id);
1900 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
1902 hres = disp_propget(ctx->parser->script, obj, id, &v, ctx->ei, NULL/*FIXME*/);
1903 if(SUCCEEDED(hres)) {
1906 hres = to_number(ctx->parser->script, &v, ctx->ei, &n);
1907 if(SUCCEEDED(hres)) {
1908 num_set_val(&inc, num_val(&n)+(double)arg);
1909 hres = disp_propput(ctx->parser->script, obj, id, &inc, ctx->ei, NULL/*FIXME*/);
1914 IDispatch_Release(obj);
1918 return stack_push(ctx, &v);
1921 /* ECMA-262 3rd Edition 11.4.4, 11.4.5 */
1922 static HRESULT interp_preinc(exec_ctx_t *ctx)
1924 const int arg = ctx->parser->code->instrs[ctx->ip].arg1.lng;
1932 obj = stack_pop_objid(ctx, &id);
1934 return throw_type_error(ctx->parser->script, ctx->ei, JS_E_OBJECT_EXPECTED, NULL);
1936 hres = disp_propget(ctx->parser->script, obj, id, &v, ctx->ei, NULL/*FIXME*/);
1937 if(SUCCEEDED(hres)) {
1940 hres = to_number(ctx->parser->script, &v, ctx->ei, &n);
1942 if(SUCCEEDED(hres)) {
1943 num_set_val(&v, num_val(&n)+(double)arg);
1944 hres = disp_propput(ctx->parser->script, obj, id, &v, ctx->ei, NULL/*FIXME*/);
1947 IDispatch_Release(obj);
1951 return stack_push(ctx, &v);
1954 /* ECMA-262 3rd Edition 11.9.3 */
1955 static HRESULT equal_values(script_ctx_t *ctx, VARIANT *lval, VARIANT *rval, jsexcept_t *ei, BOOL *ret)
1957 if(V_VT(lval) == V_VT(rval) || (is_num_vt(V_VT(lval)) && is_num_vt(V_VT(rval))))
1958 return equal2_values(lval, rval, ret);
1960 /* FIXME: NULL disps should be handled in more general way */
1961 if(V_VT(lval) == VT_DISPATCH && !V_DISPATCH(lval)) {
1964 return equal_values(ctx, &v, rval, ei, ret);
1967 if(V_VT(rval) == VT_DISPATCH && !V_DISPATCH(rval)) {
1970 return equal_values(ctx, lval, &v, ei, ret);
1973 if((V_VT(lval) == VT_NULL && V_VT(rval) == VT_EMPTY) ||
1974 (V_VT(lval) == VT_EMPTY && V_VT(rval) == VT_NULL)) {
1979 if(V_VT(lval) == VT_BSTR && is_num_vt(V_VT(rval))) {
1983 hres = to_number(ctx, lval, ei, &v);
1987 return equal_values(ctx, &v, rval, ei, ret);
1990 if(V_VT(rval) == VT_BSTR && is_num_vt(V_VT(lval))) {
1994 hres = to_number(ctx, rval, ei, &v);
1998 return equal_values(ctx, lval, &v, ei, ret);
2001 if(V_VT(rval) == VT_BOOL) {
2005 V_I4(&v) = V_BOOL(rval) ? 1 : 0;
2006 return equal_values(ctx, lval, &v, ei, ret);
2009 if(V_VT(lval) == VT_BOOL) {
2013 V_I4(&v) = V_BOOL(lval) ? 1 : 0;
2014 return equal_values(ctx, &v, rval, ei, ret);
2018 if(V_VT(rval) == VT_DISPATCH && (V_VT(lval) == VT_BSTR || is_num_vt(V_VT(lval)))) {
2022 hres = to_primitive(ctx, rval, ei, &v, NO_HINT);
2026 hres = equal_values(ctx, lval, &v, ei, ret);
2033 if(V_VT(lval) == VT_DISPATCH && (V_VT(rval) == VT_BSTR || is_num_vt(V_VT(rval)))) {
2037 hres = to_primitive(ctx, lval, ei, &v, NO_HINT);
2041 hres = equal_values(ctx, &v, rval, ei, ret);
2052 /* ECMA-262 3rd Edition 11.9.1 */
2053 static HRESULT interp_eq(exec_ctx_t *ctx)
2062 TRACE("%s == %s\n", debugstr_variant(l), debugstr_variant(r));
2064 hres = equal_values(ctx->parser->script, l, r, ctx->ei, &b);
2070 return stack_push_bool(ctx, b);
2073 /* ECMA-262 3rd Edition 11.9.2 */
2074 static HRESULT interp_neq(exec_ctx_t *ctx)
2083 TRACE("%s != %s\n", debugstr_variant(l), debugstr_variant(r));
2085 hres = equal_values(ctx->parser->script, l, r, ctx->ei, &b);
2091 return stack_push_bool(ctx, !b);
2094 /* ECMA-262 3rd Edition 11.9.4 */
2095 static HRESULT interp_eq2(exec_ctx_t *ctx)
2106 hres = equal2_values(r, l, &b);
2112 return stack_push_bool(ctx, b);
2115 /* ECMA-262 3rd Edition 11.9.5 */
2116 static HRESULT interp_neq2(exec_ctx_t *ctx)
2127 hres = equal2_values(r, l, &b);
2133 return stack_push_bool(ctx, !b);
2136 /* ECMA-262 3rd Edition 11.8.5 */
2137 static HRESULT less_eval(script_ctx_t *ctx, VARIANT *lval, VARIANT *rval, BOOL greater, jsexcept_t *ei, BOOL *ret)
2139 VARIANT l, r, ln, rn;
2142 hres = to_primitive(ctx, lval, ei, &l, NO_HINT);
2146 hres = to_primitive(ctx, rval, ei, &r, NO_HINT);
2152 if(V_VT(&l) == VT_BSTR && V_VT(&r) == VT_BSTR) {
2153 *ret = (strcmpW(V_BSTR(&l), V_BSTR(&r)) < 0) ^ greater;
2154 SysFreeString(V_BSTR(&l));
2155 SysFreeString(V_BSTR(&r));
2159 hres = to_number(ctx, &l, ei, &ln);
2162 hres = to_number(ctx, &r, ei, &rn);
2167 if(V_VT(&ln) == VT_I4 && V_VT(&rn) == VT_I4) {
2168 *ret = (V_I4(&ln) < V_I4(&rn)) ^ greater;
2170 DOUBLE ld = num_val(&ln);
2171 DOUBLE rd = num_val(&rn);
2173 *ret = !isnan(ld) && !isnan(rd) && ((ld < rd) ^ greater);
2179 /* ECMA-262 3rd Edition 11.8.1 */
2180 static HRESULT interp_lt(exec_ctx_t *ctx)
2189 TRACE("%s < %s\n", debugstr_variant(l), debugstr_variant(r));
2191 hres = less_eval(ctx->parser->script, l, r, FALSE, ctx->ei, &b);
2197 return stack_push_bool(ctx, b);
2200 /* ECMA-262 3rd Edition 11.8.1 */
2201 static HRESULT interp_lteq(exec_ctx_t *ctx)
2210 TRACE("%s <= %s\n", debugstr_variant(l), debugstr_variant(r));
2212 hres = less_eval(ctx->parser->script, r, l, TRUE, ctx->ei, &b);
2218 return stack_push_bool(ctx, b);
2221 /* ECMA-262 3rd Edition 11.8.2 */
2222 static HRESULT interp_gt(exec_ctx_t *ctx)
2231 TRACE("%s > %s\n", debugstr_variant(l), debugstr_variant(r));
2233 hres = less_eval(ctx->parser->script, r, l, FALSE, ctx->ei, &b);
2239 return stack_push_bool(ctx, b);
2242 /* ECMA-262 3rd Edition 11.8.4 */
2243 static HRESULT interp_gteq(exec_ctx_t *ctx)
2252 TRACE("%s >= %s\n", debugstr_variant(l), debugstr_variant(r));
2254 hres = less_eval(ctx->parser->script, l, r, TRUE, ctx->ei, &b);
2260 return stack_push_bool(ctx, b);
2263 /* ECMA-262 3rd Edition 11.4.8 */
2264 static HRESULT interp_bneg(exec_ctx_t *ctx)
2273 hres = to_int32(ctx->parser->script, v, ctx->ei, &i);
2280 return stack_push(ctx, &r);
2283 /* ECMA-262 3rd Edition 11.4.9 */
2284 static HRESULT interp_neg(exec_ctx_t *ctx)
2293 hres = to_boolean(v, &b);
2298 return stack_push_bool(ctx, !b);
2301 /* ECMA-262 3rd Edition 11.7.1 */
2302 static HRESULT interp_lshift(exec_ctx_t *ctx)
2308 hres = stack_pop_uint(ctx, &r);
2312 hres = stack_pop_int(ctx, &l);
2316 return stack_push_int(ctx, l << (r&0x1f));
2319 /* ECMA-262 3rd Edition 11.7.2 */
2320 static HRESULT interp_rshift(exec_ctx_t *ctx)
2326 hres = stack_pop_uint(ctx, &r);
2330 hres = stack_pop_int(ctx, &l);
2334 return stack_push_int(ctx, l >> (r&0x1f));
2337 /* ECMA-262 3rd Edition 11.7.3 */
2338 static HRESULT interp_rshift2(exec_ctx_t *ctx)
2343 hres = stack_pop_uint(ctx, &r);
2347 hres = stack_pop_uint(ctx, &l);
2351 return stack_push_int(ctx, l >> (r&0x1f));
2354 /* ECMA-262 3rd Edition 11.13.1 */
2355 static HRESULT interp_assign(exec_ctx_t *ctx)
2365 disp = stack_pop_objid(ctx, &id);
2368 return throw_reference_error(ctx->parser->script, ctx->ei, JS_E_ILLEGAL_ASSIGN, NULL);
2370 hres = disp_propput(ctx->parser->script, disp, id, v, ctx->ei, NULL/*FIXME*/);
2371 IDispatch_Release(disp);
2377 return stack_push(ctx, v);
2380 static HRESULT interp_undefined(exec_ctx_t *ctx)
2386 V_VT(&v) = VT_EMPTY;
2387 return stack_push(ctx, &v);
2390 static HRESULT interp_jmp(exec_ctx_t *ctx)
2392 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
2400 static HRESULT interp_jmp_z(exec_ctx_t *ctx)
2402 const unsigned arg = ctx->parser->code->instrs[ctx->ip].arg1.uint;
2410 hres = to_boolean(v, &b);
2422 static HRESULT interp_pop(exec_ctx_t *ctx)
2430 static HRESULT interp_ret(exec_ctx_t *ctx)
2438 typedef HRESULT (*op_func_t)(exec_ctx_t*);
2440 static const op_func_t op_funcs[] = {
2441 #define X(x,a,b,c) interp_##x,
2446 static const unsigned op_move[] = {
2447 #define X(a,x,b,c) x,
2452 static HRESULT unwind_exception(exec_ctx_t *ctx)
2454 except_frame_t *except_frame;
2459 except_frame = ctx->except_frame;
2460 ctx->except_frame = except_frame->next;
2462 assert(except_frame->stack_top <= ctx->top);
2463 stack_popn(ctx, ctx->top - except_frame->stack_top);
2465 while(except_frame->scope != ctx->scope_chain)
2466 scope_pop(&ctx->scope_chain);
2468 ctx->ip = except_frame->catch_off;
2470 except_val = ctx->ei->var;
2471 memset(ctx->ei, 0, sizeof(*ctx->ei));
2473 ident = except_frame->ident;
2474 heap_free(except_frame);
2477 jsdisp_t *scope_obj;
2479 hres = create_dispex(ctx->parser->script, NULL, NULL, &scope_obj);
2480 if(SUCCEEDED(hres)) {
2481 hres = jsdisp_propput_name(scope_obj, ident, &except_val, ctx->ei, NULL/*FIXME*/);
2483 jsdisp_release(scope_obj);
2485 VariantClear(&except_val);
2489 hres = scope_push(ctx->scope_chain, scope_obj, &ctx->scope_chain);
2490 jsdisp_release(scope_obj);
2494 hres = stack_push(ctx, &except_val);
2498 hres = stack_push_bool(ctx, FALSE);
2502 V_VT(&v) = VT_EMPTY;
2503 hres = stack_push(ctx, &v);
2509 static HRESULT enter_bytecode(script_ctx_t *ctx, unsigned ip, jsexcept_t *ei, VARIANT *ret)
2511 exec_ctx_t *exec_ctx = ctx->exec_ctx;
2512 except_frame_t *prev_except_frame;
2513 unsigned prev_ip, prev_top;
2514 scope_chain_t *prev_scope;
2515 jsexcept_t *prev_ei;
2517 HRESULT hres = S_OK;
2521 prev_top = exec_ctx->top;
2522 prev_scope = exec_ctx->scope_chain;
2523 prev_except_frame = exec_ctx->except_frame;
2524 prev_ip = exec_ctx->ip;
2525 prev_ei = exec_ctx->ei;
2528 exec_ctx->except_frame = NULL;
2530 while(exec_ctx->ip != -1) {
2531 op = exec_ctx->parser->code->instrs[exec_ctx->ip].op;
2532 hres = op_funcs[op](exec_ctx);
2534 TRACE("EXCEPTION\n");
2536 if(!exec_ctx->except_frame)
2539 hres = unwind_exception(exec_ctx);
2543 exec_ctx->ip += op_move[op];
2547 exec_ctx->ip = prev_ip;
2548 exec_ctx->ei = prev_ei;
2549 exec_ctx->except_frame = prev_except_frame;
2552 while(exec_ctx->scope_chain != prev_scope)
2553 scope_pop(&exec_ctx->scope_chain);
2554 stack_popn(exec_ctx, exec_ctx->top-prev_top);
2558 assert(exec_ctx->top == prev_top+1 || exec_ctx->top == prev_top);
2559 assert(exec_ctx->scope_chain == prev_scope);
2561 if(exec_ctx->top == prev_top)
2562 V_VT(ret) = VT_EMPTY;
2564 *ret = *stack_pop(exec_ctx);
2568 HRESULT exec_source(exec_ctx_t *ctx, parser_ctx_t *parser, source_elements_t *source, BOOL from_eval,
2569 jsexcept_t *ei, VARIANT *retv)
2571 script_ctx_t *script = parser->script;
2572 function_declaration_t *func;
2573 parser_ctx_t *prev_parser;
2576 exec_ctx_t *prev_ctx;
2577 HRESULT hres = S_OK;
2579 for(func = source->functions; func; func = func->next) {
2583 hres = create_source_function(parser, func->expr->parameter_list, func->expr->source_elements,
2584 ctx->scope_chain, func->expr->src_str, func->expr->src_len, &func_obj);
2588 var_set_jsdisp(&var, func_obj);
2589 hres = jsdisp_propput_name(ctx->var_disp, func->expr->identifier, &var, ei, NULL);
2590 jsdisp_release(func_obj);
2595 for(var = source->variables; var; var = var->next) {
2599 name = SysAllocString(var->identifier);
2601 return E_OUTOFMEMORY;
2603 if(!ctx->is_global || !lookup_global_members(parser->script, name, NULL))
2604 hres = jsdisp_get_id(ctx->var_disp, var->identifier, fdexNameEnsure, &id);
2605 SysFreeString(name);
2610 prev_ctx = script->exec_ctx;
2611 script->exec_ctx = ctx;
2613 prev_parser = ctx->parser;
2614 ctx->parser = parser;
2616 if(source->statement) {
2617 if(!source->instr_off) {
2618 hres = compile_subscript_stat(ctx->parser, source->statement, from_eval, &source->instr_off);
2619 if(FAILED(hres) && is_jscript_error(hres))
2620 hres = throw_syntax_error(script, ei, hres, NULL);
2623 hres = enter_bytecode(script, source->instr_off, ei, &val);
2625 V_VT(&val) = VT_EMPTY;
2628 script->exec_ctx = prev_ctx;
2629 ctx->parser = prev_parser;